GHott's TRX450R Dyno Testing & Tuning Section

DYNO SESSION #1 (11/19/06)

Specifications during dyno session:
- 13.1:1 Wiseco Piston (94mm stock bore)
- Hot Cams Stage 2 Cam
- Ferrea Intake Valves (stock size)
- Sparks Filter
- DASA & HMF Pipes
- Airbox Lid Off
- Stock OEM Clutch (slipping)
- Stock crank, bore, carb, head, springs, exhaust valves, etc.
- DASA JETTING - 190 Main, 50 Pilot, HRC Needle 3rd Clip
- HMF JETTING - 178 Main, 48 Pilot, HRC Needle 3rd Clip

Other Dyno Info:
Sunoco/CAM2 Purple 110 (R+M/2) Fuel
American Racer Dyno Slick Tires
14/38 Gearing
Pulls done in 4th Gear
Stock clutch slipping during pulls
STD Correction, 5 Smoothing
Dynojet type DYNO at WPP Racing

Best numbers for DASA Pipe
Best HP: 47.65 hp
Best TQ: 32.53 ft/lb tq

Best numbers for HMF Pipe
Best HP: 46.58 hp
Best TQ: 31.84 ft/lb tq

DYNO GRAPHS (Click a picture to enlarge)
| A/F Ratios | | HMF Pipe Runs | | DASA Pipe Runs | | DASA vs. HMF RPM's | | DASA vs. HMF MPH's |






DYNO SESSION #2 (12/10/06)

These graphs are the result of a brand new TUSK Clutch with heavy duty CR500R Clutch Springs.

Specifications during dyno session:
- 13.1:1 Wiseco Piston (94mm stock bore)
- Hot Cams Stage 2 Cam
- Ferrea Intake Valves (stock size)
- Sparks Filter
- DASA Pipe
- Airbox Lid Off
- TUSK Clutch with CR500R Springs
- Stock crank, bore, carb, head, springs, exhaust valves, etc.
- JETTING - 182 & 190 Mains, 50 Pilot, HRC Needle 3rd Clip

Other Dyno Info:
Sunoco/CAM2 Purple 110 (R+M/2) Fuel
American Racer Dyno Slick Tires
14/38 Gearing
Pulls done in 4th Gear
STD Correction, 5 Smoothing
Dynojet type DYNO at WPP Racing

Best HP: 47.72 hp
Best TQ: 33.85 ft/lb tq

DYNO GRAPHS (Click a picture to enlarge)
| Stock 450R vs. Mine | | New Clutch 182 Main | | New Clutch 190 Main | | Old Clutch vs. New 1 | | Old Clutch vs. New 2 |
| A/F 182 Main | | A/F 182 & 190 Mains |






DYNO SESSION #3 (01/12/08)

Valve float occurring during these runs due to using a Hot Cams Stage 3 cam with OEM valve springs for 9 months.

Specifications during dyno session:
- 14:1 Baldwin Piston (94mm stock bore)
- WPP/Wicked Rec. Porting
- Hot Cams Stage 3 Cam
- Fuel Customs Intake with box
- DASA Air Filter
- Airbox Lid Off
- DASA Pipe
- TUSK Clutch with CR500R Springs
- Stock crank, bore, carb, springs, exhaust valves, etc.
- JETTING - 195, 185, & 178 Mains, 52 Pilot, HRC Needle 3rd Clip

Other Dyno Info:
Sunoco/CAM2 Purple 110 (R+M/2) Fuel
American Racer Dyno Slick Tires
14/38 Gearing
Pulls done in 4th Gear
STD Correction, 5 Smoothing
Dynojet type DYNO at Precision Motorsports

Best HP: 50.23 hp
Best TQ: 35.27 ft/lb tq

DYNO GRAPHS (Click a picture to enlarge)
| 178 Main HP/TQ | | A/F 185 & 178 | | A/F 178, 185, & 195 | | HP/TQ 178 vs. 185 | | HP/TQ 178, 185, 195 |






DYNO SESSION #4 (08/24/08)

Specifications during dyno session:
- 13:1 CP Piston (94mm stock bore)
- WPP/Wicked Porting
- +1 valves
- Hot Cams Stage 3 Cam
- Fuel Customs Intake with box (no lid)
- DASA Air Filter
- DASA Pipe
- Stock bore, stroke, carb
- JETTING - 185 Main, 52 Pilot, HRC Needle 3rd Clip (was too rich)

Other Dyno Info:
Sunoco/CAM2 Purple 110 (R+M/2) Fuel
American Racer Dyno Slick Tires
14/38 Gearing
Pulls done in 4th Gear
STD Correction, 5 Smoothing
Dynojet type DYNO at Steel City Harley Davidson

Graph Info:
GREEN CURVE: - Stock 2007 Honda TRX450R
BLUE CURVE: - 2005 TRX450R with Full HMF Exhaust, Hot Cams Stage 2, Airbox Lid Off,
   Sparks Intake Ring, Jetted, New Tusk Clutch, & Std. Dark Synergy Springs
ORANGE CURVE:   - My Bike with modifications outlined above

DYNO GRAPH (Click a picture to enlarge)
| Stock '07, Dad's Bike, My Bike|



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